Subaru Legacy 2003 Service Manual page 513

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
J: DTC P0112 — INTAKE AIR TEMPERATURE CIRCUIT LOW INPUT —
• DTC DETECTING CONDITION:
• Immediately at fault recognition
• TROUBLE SYMPTOM:
• Erroneous idling
• Poor driving performance
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode<Ref. to EN(H4SO)-47, OPER-
ATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)-40, OPERATION, Inspection
Mode.> .
• WIRING DIAGRAM:
E20 B83
1 2 1 2 3 4 5 6
INTAKE AIR
TEMPERATURE
SENSOR
E20
E2
B21
EG
3
4
B83
B:
B135
ECM
D: B137
B21
1 2
1 2 3 4
5
6 7 8 9 10 11
5 6 7 8
14 15 16
9 10 11 12
13 14 15 16
17 18 19 20
EN(H4SO)-116
FG
2
1
FG : FOR G.C.C COUNTRIES MODEL
: EXCEPT FOR G.C.C COUNTRIES MODEL
EG
B137
3 4 1 2 3
8 9
12 13 10 11 12 13 14 15
17 19 20
18 20 21 22 23
B135
4 5 6 7
16 17 18 19
26 27 28
24 25
EN-01124